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经营范围
发明名称
DEVICE FOR SETTING A SENSOR IN WELL
摘要
申请公布号
SU1633103(A1)
申请公布日期
1991.03.07
申请号
SU19884429972
申请日期
1988.05.24
申请人
POZDNYAKOV VLADIMIR M,SU;KRIVOSHEEV IGOR A,SU
发明人
POZDNYAKOV VLADIMIR M,SU;KRIVOSHEEV IGOR A,SU
分类号
E21B47/00;E21B47/01
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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